Display screen or portion thereof with graphical user interface



The FIGURE is a front view of a display screen or portion thereof with graphical user interface showing my new design.

The broken lines showing text, the remainder of the graphical user interface, and the display screen are for environmental purposes only and form no part of the claimed design. The diagonal line pattern areas within the aligned rectangles represent areas of contrasting appearance. 

CLAIM The ornamental design for a display screen or portion thereof with graphical user interface, as shown and described. 